Sewage treatment device for chemical reaction kettle

By designing a sewage treatment device for chemical reactors, using a motor to drive the rotary rod to drive the spreading box to rotate and contact the bumps, combined with stirring and cleaning components, the problems of material agglomeration and uneven cleaning in the sewage treatment of chemical reactors are solved, and efficient sewage treatment effect is achieved.

CN120398147AInactive Publication Date: 2025-08-01JIAXING XINGTIAN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202510546111.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2025-08-01
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the sewage treatment of existing chemical reactors, manual sprinkling of cleaning materials is not accurate enough, resulting in the agglomeration of materials or insufficient cleaning capacity.

Method used

A sewage treatment device for chemical reactors is designed. The rotating rod of the spreading box is driven by the motor to rotate, and contact with the bump to make it sway and move. Combined with the stirring assembly and the cleaning assembly, it can achieve uniform spreading, mixing and filter cleaning.

Benefits of technology

It reduces manual participation, prevents material blockage, realizes uniform mixing of sewage and materials, and automatic cleaning of filters, improving cleaning efficiency.

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Abstract

The invention discloses a sewage treatment device for a chemical reaction kettle, and belongs to the technical field of sewage treatment.The sewage treatment device comprises a sewage bucket, a filter screen is assembled in the sewage bucket, a motor is fixedly connected to the bottom end of the interior of the sewage bucket, a rotating rod is fixedly connected to an output shaft of the motor, and a rectangular plate is fixedly connected to the outer side of the rotating rod; first connecting rods are fixedly connected to the two sides of the interior of the sewage barrel, a first penetrating plate is fixedly connected between the two first connecting rods, and protruding blocks distributed in an annular array are fixedly connected to the bottom end of the first penetrating plate. Through mutual cooperation of the motor, the rotating rod, the feeding pipe, the first connecting rod, the first penetrating plate, the protruding blocks, a feeding bent pipe, a material scattering box, a supporting rod, a rectangular plate, a first spring and a material scattering hole, the material scattering box is driven to rotate to make contact with the four sets of protruding blocks so that the material scattering box can swing, and material scattering is conducted uniformly; therefore, manual participation is reduced, and the caking phenomenon caused when the materials are synchronously sprayed into the sewage barrel can be prevented.
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Description

Technical Field

[0001] This application relates to the technical field of sewage treatment. Specifically, it relates to a sewage treatment device for a chemical reaction kettle. Background Technique

[0002] In a broad sense, a reaction kettle is a container for physical or chemical reactions. Through the structural design and parameter configuration of the container, functions such as heating, evaporation, cooling, and mixing at low and high speeds required by the process are achieved. Reaction kettles are widely used in fields such as petroleum, chemical industry, rubber, pesticides, dyes, medicine, and food.

[0003] Most of the existing treatment methods involve manually spreading cleaning materials inside the sewage bucket. However, due to inaccurate manual operation, too much or too little material is spread, and in some areas, too much material is spread, resulting in caking, while too little material leads to insufficient cleaning ability. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a sewage treatment device for a chemical reaction kettle, which solves the problems raised in the above background technique.

[0005] To achieve the above object, this application provides a sewage treatment device for a chemical reaction kettle, including a sewage bucket. A filter screen is assembled inside the sewage bucket. A motor is fixedly connected to the bottom end inside the sewage bucket. The output shaft of the motor is fixedly connected to a rotating rod. A rectangular plate is fixedly connected to the outside of the rotating rod. On both sides inside the sewage bucket, a first connecting rod is fixedly connected. A first through plate is fixedly connected between the two first connecting rods. A convex block arranged in an annular array is fixedly connected to the bottom end of the first through plate. There are a total of four groups of convex blocks. A feeding pipe is fixedly connected inside the rotating rod. A feeding elbow is communicated with the side of the feeding pipe. One end of the feeding elbow away from the feeding pipe is communicated with a material spreading box. A support rod is fixedly connected to the side of the material spreading box. The support rod is hinged between the rotating rod. A first spring is elastically connected between the support rod and the rectangular plate. Material spreading holes are opened on the surface of the material spreading box, and the material spreading holes penetrate through the entire material spreading box. By setting the motor, the rotating rod, the feeding pipe, the first connecting rod, the first through plate, the convex block, the feeding elbow, the material spreading box, the support rod, the rectangular plate, the first spring, and the material spreading holes cooperate with each other. By driving the material spreading box to rotate and contact the four groups of convex blocks respectively, the material spreading box swings, and the material is spread evenly, thereby reducing manual participation and preventing caking when the material is poured into the sewage bucket at the same time.

[0006] Preferably, a stirring assembly for mixing sewage and purification medicine is assembled inside the sewage bucket, and a cleaning assembly for cleaning the filter opening is assembled at the top end of the filter screen.

[0007] Preferably, a plurality of groups of the material scattering holes are provided, and the four bump blocks are all located on the movement track of the material scattering box.

[0008] Preferably, the protruding part of the material scattering box faces upward, and the protruding parts of the four bump blocks face downward.

[0009] Preferably, the stirring assembly includes a sleeve which is slidably connected to the outside of the rotating rod. A stirring blade is elastically connected to the outside of the sleeve through a torsion spring. A disc is fixedly connected to the outside of the rotating rod. A second spring is elastically connected between the disc and the sleeve. The bottom end of the support rod is fixedly connected with a bent rod. One end of the bent rod away from the support rod is fixedly connected with a pressing ball. A cross groove is formed in the sleeve, and a cross block is assembled on the outside of the rotating rod. By arranging the sleeve, the stirring blade, the disc, the second spring, the bent rod, the pressing ball, the cross block and the cross groove cooperate with each other, so that under the extrusion of the pressing ball, the sleeve can drive a plurality of groups of stirring blades to slide up and down, and at the same time, the plurality of groups of stirring blades can swing up and down inside the sewage bucket under the action of the torsion spring, so as to fully mix the sewage and the material inside the sewage bucket, thereby achieving the cleaning effect.

[0010] Preferably, a plurality of groups of the stirring blades are provided, three groups of the second springs are provided, the sleeve is located on the movement track of the pressing ball, and the cross groove and the cross block are matched in specification.

[0011] Preferably, the cleaning assembly includes a hydraulic cylinder which is observed and fixedly connected inside the filter screen. One end inside the hydraulic cylinder is slidably connected with a pressure rod through a piston, and the other end inside the hydraulic cylinder is slidably connected with a force receiving rod through a piston. One end of the force receiving rod away from the hydraulic cylinder is fixedly connected with a sliding ball. A torsion spring rod is rotatably and elastically connected to the top end of the filter screen, and a cleaning plate is fixedly connected to the side surface of the torsion spring rod.

[0012] Preferably, the cleaning plate is located on the movement track of the pressure rod, the force receiving rod is located on the movement track of the material scattering box, and the sliding ball is slidably connected inside the first through plate. By arranging the force receiving rod, the sliding ball, the torsion spring rod, the hydraulic cylinder, the pressure rod and the cleaning plate to cooperate with each other, during the rotation movement of the material scattering box, the sliding ball can be extruded, and then the force receiving rod can be extruded, so that the pressure rod can be pushed out, and the pressure rod can push the cleaning plate, so as to clean the garbage and impurities remaining on the filter screen, thereby facilitating the next use.

[0013] The beneficial effects of this application are as follows: (1) In this application, by setting up a motor, a rotating rod, a feeding pipe, a first connecting rod, a penetrating plate one, a convex block, a feeding elbow pipe, a material spreading box, a support rod, a rectangular plate, a first spring, and a material spreading hole, they cooperate with each other. By driving the material spreading box to rotate and contact with four groups of convex blocks respectively, the material spreading box swings, and the material is evenly spread, thus reducing manual participation and preventing caking when the material is synchronously poured into the sewage bucket at once.

[0014] (2) In this application, by setting up a sleeve, stirring blades, a disc, a second spring, a bent rod, an extrusion ball, a cross block, and a cross groove, they cooperate with each other. Under the extrusion of the extrusion ball, the sleeve drives multiple groups of stirring blades to slide up and down, and at the same time, multiple groups of stirring blades swing up and down inside the sewage bucket under the action of torsion springs, so as to fully mix the sewage and materials inside the sewage bucket, thus achieving a cleaning effect.

[0015] (3) In this application, by setting up a force-bearing rod, a sliding ball, a torsion spring rod, a hydraulic cylinder, a pressure rod, and a cleaning plate, they cooperate with each other. During the rotation of the material spreading box, the sliding ball can be extruded, and then the force-bearing rod can be extruded, so that the pressure rod can be pushed out, and the pressure rod can push the cleaning plate, thereby cleaning the garbage and impurities remaining on the filter screen and facilitating the next use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of this application are used to provide a further understanding of this application, making other features, purposes, and advantages of this application more obvious. The schematic embodiments and descriptions of the drawings of this application are used to explain this application and do not constitute an improper limitation of this application. In the drawings: [[ID=I3]] Figure 1 is a schematic structural diagram of the overall appearance of the present invention; Figure 2 is a partial cross-sectional schematic diagram of the whole of the present invention; Figure 3 is a partial structural schematic Figure 1 ; Figure 4 is a partial structural schematic Figure 2 ; Figure 5 is a partial structural schematic Figure 3 ; Figure 6 is a schematic structural diagram of the stirring assembly of the present invention; Figure 7 is a partial structural schematic of the stirring assembly of the present invention Figure 1 ; Figure 8 is a partial structural schematic of the stirring assembly of the present invention Figure 2 ; Figure 9 It is a partial structural schematic diagram of the cleaning component of the present invention Figure 1 ; Figure 10 It is a partial structural schematic diagram of the cleaning component of the present invention Figure 2 .

[0017] In the above figures, 1. Sewage bucket; 3. Stirring component; 4. Cleaning component; 5. Filter net; 201. Motor; 202. Rotating rod; 203. Feeding pipe; 204. Connecting rod one; 205. Penetrating plate one; 206. Convex block; 207. Feeding elbow pipe; 208. Material spreading box; 209. Support rod; 210. Rectangular plate; 211. Spring one; 212. Material spreading hole; 301. Sleeve; 302. Stirring blade; 303. Disc; 305. Spring two; 306. Bent rod; 307. Extrusion ball; 308. Cross block; 309. Cross groove; 401. Stress rod; 402. Sliding ball; 403. Torsion spring rod; 404. Hydraulic cylinder; 405. Pressure rod; 406. Cleaning plate. Specific embodiments

[0018] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present application.

[0019] It should be noted that the terms "first", "second", etc. in the description and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily need to be used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so as to describe the embodiments of the present application here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device including a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0020] In this application, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated device, element or component must have a specific orientation, or be constructed and operated in a specific orientation.

[0021] Moreover, in addition to being used to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0022] In addition, the terms "mounted", "arranged", "provided with", "connected", "linked", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other. The following will refer to the drawings and combine with the embodiments to detail this application.

[0024] Example 1, see Figures 1 - 4, this embodiment provides a sewage treatment device for a chemical reaction kettle, including a sewage bucket 1. A filter screen 5 is assembled inside the sewage bucket 1. One-fourth of the surface area of the filter screen 5 is provided with filter holes. A motor 201 is fixedly connected to the bottom end inside the sewage bucket 1. The output shaft of the motor 201 is fixedly connected to a rotating rod 202. The upper half of the rotating rod 202 is of a hollow structure and is used to place a feeding pipe 203 inside. A rectangular plate 210 is fixedly connected to the outer side of the rotating rod 202. On both sides inside the sewage bucket 1, a first connecting rod 204 is fixedly connected. A first through plate 205 is fixedly connected between the two first connecting rods 204. The function of the two first connecting rods 204 is to support the use of the first through plate 205. A through groove larger than the rotating rod 202 is opened in the middle of the first through plate 205. A convex block 206 arranged in an annular array is fixedly connected to the bottom end of the first through plate 205. A total of four convex blocks 206 are provided. A feeding pipe 203 is fixedly connected inside the rotating rod 202. A feeding elbow 207 is communicated with the side of the feeding pipe 203. A feeding elbow 207 is communicated with the side of the feeding pipe 203. Therefore, the staff transports the cleaning material towards the feeding pipe 203 and enters the inside of the material spreading box 208 through the feeding elbow 207. The feeding elbow 207 is a flexible pipe. One end of the feeding elbow 207 far from the feeding pipe 203 is communicated with the material spreading box 208. A support rod 209 is fixedly connected to the side of the material spreading box 208. The support rod 209 is used to support the swing of the material spreading box 208, thus facilitating the use of the material spreading box 208. The support rod 209 is hinged to the rotating rod 202. A first spring 211 is elastically connected between the support rod 209 and the rectangular plate 210. When the convex block 206 squeezes during the rotational movement of the material spreading box 208, at this time, the first spring 211 can be elastically stretched. When the force squeezing the material spreading box 208 disappears, at this time, the first spring 211 can make the material spreading box 208 automatically reset under the action of its own resilience. Material spreading holes 212 are opened on the surface of the material spreading box 208. The material spreading holes 212 penetrate the entire material spreading box 208. A stirring assembly 3 for mixing sewage and purification medicine is assembled inside the sewage bucket 1. A cleaning assembly 4 for cleaning the filter opening is assembled at the top end of the filter screen 5. A total of multiple material spreading holes 212 are provided. The four convex blocks 206 are all located on the movement track of the material spreading box 208. The raised part of the material spreading box 208 faces upward, and the raised parts of the four convex blocks 206 face downward. The raised part of the material spreading box 208 faces upward, and the raised parts of the four convex blocks 206 face downward. Therefore, the material spreading box 208 can be pressurized when it rotates.

[0025] In use, people first need to move the device to a position suitable for the use of the device. First, pour the sewage to be treated into the interior of the sewage bucket 1 through the filter net 5. Then, the materials for purifying the sewage can be transported through the cooperation between the feeding pipe 203 and the feeding elbow 207, and can be transported into the inside of the spreading box 208. At this time, turn on the switch of the motor 201, so that the output shaft of the motor 201 can drive the rotating rod 202 to rotate. When the rotating rod 202 rotates, it can drive the rectangular plate 210, the first spring 211 and the spreading box 208 to rotate synchronously. At the same time, when the spreading box 208 rotates under the action of the rotating rod 202, it can squeeze the four groups of bumps 206 at the bottom of the through plate 1 205. When the rotating rod 202 drives the spreading box 208 to squeeze the bumps 206, at this time, the spreading box 208 moves downward under the action of the bumps 206, and at the same time, the first spring 211 is elastically stretched. When the spreading box 208 rotates to a position where it does not squeeze the bumps 206 under the drive of the rotating rod 202, at this time, under the action of the self-return elasticity of the first spring 211, the spreading box 208 can move upward. Repeating like this, the spreading box 208 can swing up and down, and the materials inside the spreading box 208 can be scattered through multiple spreading holes 212 opened on the spreading box 208. At the same time, the spreading box 208 scatters the materials while rotating, so that the materials can be evenly spread.

[0026] Example 2, see Figures 1 - 7, on the basis of Embodiment 1, in the present application, the stirring assembly 3 includes a sleeve 301 which is slidably connected to the outside of the rotating rod 202. A stirring blade 302 is elastically connected to the outside of the sleeve 301 through a torsion spring. A disc 303 is fixedly connected to the outside of the rotating rod 202. A second spring 305 is elastically connected between the disc 303 and the sleeve 301. The bottom end of the support rod 209 is fixedly connected to a bent rod 306. One end of the bent rod 306 away from the support rod 209 is fixedly connected to an extrusion ball 307. The extrusion ball 307 acts on the top end of the sleeve 301. A cross groove 309 is formed inside the sleeve 301. A cross block 308 is assembled on the outside of the rotating rod 202. A cross groove 309 is formed inside the sleeve 301. A cross block 308 is assembled on the outside of the rotating rod 202. Therefore, while the sleeve 301 can perform a sliding movement on the outside of the rotating rod 202, it can also perform a synchronous rotational movement following the rotational movement of the rotating rod 202. A cross groove 309 is formed inside the sleeve 301. A cross block 308 is assembled on the outside of the rotating rod 202. Multiple groups of stirring blades 302 are provided. Torsion springs are assembled inside multiple groups of stirring blades 302. Three second springs 305 are provided. When the extrusion ball 307 extrudes the sleeve 301, at this time, the three second springs 305 can be elastically stretched. When the force for extruding the sleeve 301 disappears, at this time, the three second springs 305 drive the sleeve 301 to automatically reset under the action of their own resilience. The sleeve 301 is located on the movement track of the extrusion ball 307. The cross groove 309 and the cross block 308 are of matching specifications.

[0027] During use, on the basis of Embodiment 1, since a cross block 308 is assembled on the outside of the rotating rod 202 and a cross groove 309 is provided inside the sleeve 301, when the rotating rod 202 performs a rotational movement, it can drive the sleeve 301 to perform a synchronous rotational movement. At the same time, when the sleeve 301 performs a rotational movement, it drives multiple groups of stirring blades 302 to stir inside the sewage bucket 1. At the same time, when the material spreading box 208 performs a rotational movement, during the rotational movement of the material spreading box 208, it can be successively extruded by four convex blocks 206. When the material spreading box 208 is extruded by the convex block, at this time, while the material spreading box 208 moves downward, it can drive the extrusion ball 307 to move downward synchronously. When the extrusion ball 307 moves downward, it can extrude the sleeve 301 and slide downward on the outside of the rotating rod 202. When the sleeve 301 slides downward, the three second springs 305 are elastically stretched. And when the sleeve 301 slides downward, the stirring blades 302 can obtain an upward force. When the material spreading box 208 rotates to a position where it is not extruded by the convex block 206, at this time, the three second springs 305 drive the sleeve 301 to automatically reset under the action of their own resilience. At the same time, multiple groups of stirring blades 302 swing downward under the action of the torsion spring, which can make full stirring in the sewage bucket 1, so that the cleaning material and the sewage are fully mixed, thus achieving the purpose of efficient cleaning.

[0028] Example 3, see Figures 1 - 9 , on the basis of Example 1, in this application, the cleaning component 4 includes a hydraulic cylinder 404. The hydraulic cylinder 404 penetrates and is fixedly connected inside the filter screen 5. One end inside the hydraulic cylinder 404 is slidably connected with a pressure rod 405 through a piston, and the other end inside the hydraulic cylinder 404 is slidably connected with a force-bearing rod 401 through a piston. One end of the force-bearing rod 401 away from the hydraulic cylinder 404 is fixedly connected with a sliding ball 402. When the sliding ball 402 is squeezed by the material spreading box 208, the force-bearing rod 401 is also synchronously squeezed. At this time, the liquid pressure inside the hydraulic cylinder 404 increases, so that the pressure rod 405 can be pushed out. The pressure rod 405 is in an arc-shaped structure. The top end of the filter screen 5 is rotatably and elastically connected with a torsion spring rod 403. A cleaning plate 406 is fixedly connected to the side surface of the torsion spring rod 403. The cleaning plate 406 is located on the movement track of the pressure rod 405. After the cleaning plate 406 is pushed by the pressure rod 405, the torsion spring rod 403 can make the cleaning plate 406 reset under the action of its own resilience. The force-bearing rod 401 is located on the movement track of the material spreading box 208, and the sliding ball 402 is slidably connected inside the through plate one 205.

[0029] During use, on the basis of Example 1, when the material spreading box 208 makes a rotational movement, the material spreading box 208 can squeeze the sliding ball 402 during the rotation process, so that the sliding ball 402 slides upward. At the same time, when the sliding ball 402 slides upward, it can squeeze the force-bearing rod 401. When the force-bearing rod 401 receives the squeezing force, the liquid pressure inside the hydraulic cylinder 404 increases at this time, so that the pressure rod 405 can be pushed out. When the pressure rod 405 is pushed out, it can act on the cleaning plate 406, so that the cleaning plate 406 can slide in an arc with the torsion spring rod 403 as the center, so as to clean the impurities on the surface of the filter screen 5. When the material spreading box 208 rotates to not squeeze the sliding ball 402, at this time, the squeezing force on the force-bearing rod 401 disappears, and at the same time, the pressure rod 405 is no longer pushed out. At this time, under the action of the torsion spring rod 403, the cleaning plate 406 can automatically reset, and so on for reciprocating motion.

[0030] The above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should be covered by the protection scope of the present invention.

Claims

1. A sewage treatment device for a chemical reaction kettle, comprising a sewage bucket (1), and a filter screen (5) is assembled inside the sewage bucket (1); It is characterized in that At the bottom end inside the sewage bucket (1), a motor (201) is fixedly connected. The output shaft of the motor (201) is fixedly connected to a rotating rod (202). A rectangular plate (210) is fixedly connected to the outer side of the rotating rod (202). On both sides inside the sewage bucket (1), a first connecting rod (204) is fixedly connected. Between the two groups of first connecting rods (204), a first through plate (205) is fixedly connected. At the bottom end of the first through plate (205), convex blocks (206) arranged in an annular array are fixedly connected. There are four groups of the convex blocks (206). A feeding pipe (203) is fixedly connected inside the rotating rod (202). A feeding elbow pipe (207) is communicated with the side surface of the feeding pipe (203). One end of the feeding elbow pipe (207) far away from the feeding pipe (203) is communicated with a material spreading box (208). A support rod (209) is fixedly connected to the side surface of the material spreading box (208). The support rod (209) is hinged to the rotating rod (202). A first spring (211) is elastically connected between the support rod (209) and the rectangular plate (210). Material spreading holes (212) are formed on the surface of the material spreading box (208), and the material spreading holes (212) penetrate through the whole material spreading box (208).

2. The sewage treatment device for a chemical reaction kettle according to claim 1, wherein, A stirring assembly (3) for mixing sewage and purification medicine is assembled inside the sewage bucket (1), and a cleaning assembly (4) for cleaning the filtering port is assembled at the top end of the filter screen (5).

3. The sewage treatment device for a chemical reaction kettle according to claim 1, characterized in that, There are multiple groups of the material spreading holes (212), and all four groups of the convex blocks (206) are located on the movement track of the material spreading box (208).

4. The sewage treatment device for a chemical reactor according to claim 1, characterized in that, [[ID= 5. The sewage treatment device for a chemical reactor according to claim 2, characterized in that, ​ 6. The sewage treatment device for a chemical reaction kettle according to claim 5, wherein, ​ 7. The sewage treatment device for a chemical reactor according to claim 1, characterized in that, The cleaning component (4) includes a hydraulic cylinder (404), the hydraulic cylinder (404) is observed and fixedly connected inside the filter screen (5), one end inside the hydraulic cylinder (404) is slidably connected with a pressure rod (405) through a piston, the other end inside the hydraulic cylinder (404) is slidably connected with a force-bearing rod (401) through a piston, one end of the force-bearing rod (401) away from the hydraulic cylinder (404) is fixedly connected with a sliding ball (402), the top end of the filter screen (5) is rotatably and elastically connected with a torsion spring rod (403), and a cleaning plate (406) is fixedly connected to the side surface of the torsion spring rod (403).

8. The sewage treatment device for a chemical reactor according to claim 7, characterized in that, The cleaning plate (406) is located on the movement track of the pressure rod (405), the force-bearing rod (401) is located on the movement track of the material spreading box (208), and the sliding ball (402) is slidably connected inside the first through plate (205).